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Bridge Processes: A Solution for LCI Datasets Independent of Background Databases
Wesley W Ingwersen1, Ezra Kahn2, Joyce Cooper3
1US Environmental Protection Agency, National Risk Management Research Laboratory, Cincinnati, OH, USA.
Summary
Bridge processes enhance life cycle assessment (LCA) modeling by linking fragmented datasets without altering original data. This improves transparency and integration, though it may increase model size.
Area of Science:
- Environmental Science
- Sustainable Engineering
Background:
- Emerging platforms facilitate broader life cycle inventory (LCI) data publication.
- Incomplete LCI datasets pose integration challenges for LCA practitioners.
- Modifying original processes is often required to incorporate external data, compromising data integrity.
Purpose of the Study:
- To propose a novel solution for integrating fragmented LCI datasets into existing LCA models.
- To address the challenges of data sharing and usability in LCA.
Main Methods:
- Introduction of a 'bridge process' concept.
- Utilizing bridge processes to connect disparate LCI datasets and background databases.
Main Results:
- Bridge processes facilitate seamless integration of new datasets without altering original data.
- Enhanced model transparency and improved dataset sharing capabilities.
- Explicit data quality linkage and increased model flexibility.
Conclusions:
- Bridge processes offer a practical solution for integrating diverse LCI data within current LCA frameworks.
- While not a permanent fix, they enable better data interoperability and usability.
- Addresses limitations of fragmented data and proprietary process modifications.
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